Somewhere over the... moonbow: Dazzling arc of colour lights up night sky at Yosemite National Park

By JOHN STEVENSSpectacular: Sunlight is reflected off the moon to create this dazzling arc of colour in the Yosemite National ParkThis dazzling arc of colour soaring across the night sky looks unreal.But this is no fantasy or trick of the light, it is known as a moonbow, the rainbow of the night. These rare lunar rainbows can only be seen in a few places on earth. The Yosemite National Park in